CVE-2025-49706
Last modified
CVE-2025-49706 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.88% chance of exploitation in the next 30 days.
Description
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Sharepoint Enterprise Server | 2016 |
| Microsoft | Sharepoint Server | < 16.0.18526.20424 |
| Microsoft | Sharepoint Server | 2019 |
References
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706US Government Resource
- https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/Press/Media Coverage, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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